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AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(198) / 评论(0) 分类 2014年VOA慢速英语(五)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(153) / 评论(0) 分类 VOA双语新闻 2014年1月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(六)月

No. 31 I'd like to pick up my dry cleaning 第三十一课 我想提取干洗的衣物 Practice Listen and Repeat A 1. The dry cleaners hangs the cloths on a hanger. 干洗店都是把衣服挂在衣架上。 2. My cloths come cleaned and pressed. 我的

发表于:2018-12-25 / 阅读(130) / 评论(0) 分类 快口说英语

From VOA Learning English, this is the Health Lifestyle report. Many Americans have toasted bread first thing in the morning. For some, the morning meal also includes hash browned potatoes. Or later in the day, they might enjoy potato chips or crispy

发表于:2019-01-02 / 阅读(259) / 评论(0) 分类 2017年VOA慢速英语(三)月

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(404) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building real

发表于:2019-01-08 / 阅读(184) / 评论(0) 分类 Scientific American(六)月

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(127) / 评论(0) 分类 白领英语晨读

没错 但这可附带一只零钱袋呢 Yeah,but it comes with a little coin purse. 帕唐风筝有吗 Does a Patang? 你还是不懂 是吗 Wow,you just don't get it,do you? 就算你给我买什么可爱的小玩意 Buying me something pretty isn'

发表于:2019-01-28 / 阅读(133) / 评论(0) 分类 生活大爆炸第三季

导言:各位亲爱的同学,看到surly和comely是否很熟悉呢?想不想知道这俩看着很熟悉的单词是什么意思呢?那就快点往下看吧!GRE单词语境记忆,让记忆单词快速准确! Bawdy淫秽的 The Bard was sometime

发表于:2019-02-01 / 阅读(173) / 评论(0) 分类 GRE英语

Are bananas fattening? 吃香蕉会胖吗? Those who claim they are argue that bananas cause the body to make lots of insulin, and insulin causes fat growth. 那些声称香蕉使人发胖的人辩称香蕉促进人体分泌大量胰岛素,胰岛素

发表于:2019-02-01 / 阅读(214) / 评论(0) 分类 阅读空间

Most of us who've ever had tapioca know it to be the chewy, small pearls found in a bowl of pudding. Or maybe the bigger, still chewy balls floating around in the now-globally-popular sweet Asian bubble teas. But not many of us actually know what the

发表于:2019-02-13 / 阅读(132) / 评论(0) 分类 阅读空间

Key Sentences(重点句子) 114.Excuse me.Have you any laundry? 对不起,请问有没有要洗的衣服? 115.The laundry man is here to collect it. 洗衣房服务员来这儿收要洗的衣服了。 116.If you have any,please

发表于:2019-02-14 / 阅读(168) / 评论(0) 分类 实用英语

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

发表于:2019-02-14 / 阅读(225) / 评论(0) 分类 阅读空间

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(148) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(165) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(172) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(187) / 评论(0) 分类 TED演讲教育篇
学英语单词
?-independent
A cups
a-c generator
abnormal perception
Ahead of itself
Aitken's generalised least squares estimator
aquabases
art-display
Atractylodes lancea
Basedow's syndrome
basic military route network
battles of marathon
Bechuanas
bulk salt carrier
busbar sectional izing switch
carrier pigeon
caryls
central peripheral discharge mill
chain-block
chemonucleolysis
Chirodidae
chirp
Chondro-mucoid
compression tap
deauratus
demythologisings
design flood discharge
Dhiakopton
dichocarpum dalzielii (drumm et hutch.) w.t. wang et hsiao
differential ebulliometer
dog dirt
Douako
droopingness
Dyatkovo
Efamast
emender
ethyl butyrate
family Acaridae
FDIC
first observer's seat (folded)
formation-keeping light
foxtail millets
haystack boiler
helispheric
hexoketone
Hong Kongites
indudes
irradiation hole
Liksna
line cutting
longitudinal dune
marshdoyle
matrioshka
methylglycerin
microcarpum
Microgynoecium tibeticum
misemploying
miss out on sth
moving average model
Muhmad
multiple resistance
multiple-eave roof
musculus stylopharyngeus
nagioma
non-coding sequence
nonamphibious
nuclear field
obiisms
passive armours
peepa
photo-composing machine
photobiologic
pounce on sth
Praxelis clematidea
radioacoustic ranging
Rehder mountainash
Rendaijiite
response frequency characteristic
retrieveth
rural-urban migration
sack-load
safety committee
ship list
side balance
sigmoidcathete
simple diplopia
sphaerostilbe repens
Stanislavchyk
supermasculine
tadpole nest
taxonic
thermoelectrical potential
thinks up
toxophylaxin
trebol
tur
Ulothrichaceae
underwater dynamics
uningenuity
upfaulting
wide-cut gasoline type fuel
ylang-ylang